So, yes, this is Winslow.
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So, yes, this is Winslow. Though Winslow has a different name, because Winslow is someone else’s cat. I got confirmation the other night when my neighbor said, “that’s my cat.”
My neighbor is nice. But her home life is perhaps not the best. It’s “that house”, if you know what I mean. I’m not trying to steal anyone’s cat. But for a week, long before we knew he had a home, he slept in an upturned plastic box with a towel on our porch.
(Cont…)
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So, yes, this is Winslow. Though Winslow has a different name, because Winslow is someone else’s cat. I got confirmation the other night when my neighbor said, “that’s my cat.”
My neighbor is nice. But her home life is perhaps not the best. It’s “that house”, if you know what I mean. I’m not trying to steal anyone’s cat. But for a week, long before we knew he had a home, he slept in an upturned plastic box with a towel on our porch.
(Cont…)
@colorblindcowboy Oh that’s so hard. If there wasn’t the issues of allergies (some people are ok taking meds and I’ve heard several accounts of people building up an immunity with their own cat so that they no longer experience the symptoms with their own cat), or bunny (some cats are ok around them but that could be a risk) I’d suggest having a conversation with your neighbour to explain that you’ve noticed their cat was a bit skinny and seeking shelter so maybe you could co-parent.
Maybe a letter if talking directly feels like too much.Perhaps in time they’ll see how better cared for kitty is in your care.
If eventually you were willing and able to fully adopt kitty maybe your neighbours would be ok with that.
If they’re honest about their inability to properly care for kitty, they might even be relieved knowing kitty is still close by and better cared for. -
@colorblindcowboy Oh that’s so hard. If there wasn’t the issues of allergies (some people are ok taking meds and I’ve heard several accounts of people building up an immunity with their own cat so that they no longer experience the symptoms with their own cat), or bunny (some cats are ok around them but that could be a risk) I’d suggest having a conversation with your neighbour to explain that you’ve noticed their cat was a bit skinny and seeking shelter so maybe you could co-parent.
Maybe a letter if talking directly feels like too much.Perhaps in time they’ll see how better cared for kitty is in your care.
If eventually you were willing and able to fully adopt kitty maybe your neighbours would be ok with that.
If they’re honest about their inability to properly care for kitty, they might even be relieved knowing kitty is still close by and better cared for.@stephaniepixie Thank you. Yeah. It’s hard to tell what’s going on over there. I don’t know why kitty had to choose us, but he did.
Good advice. I appreciate it. I get so worried about these. Little goobers.
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@stephaniepixie Thank you. Yeah. It’s hard to tell what’s going on over there. I don’t know why kitty had to choose us, but he did.
Good advice. I appreciate it. I get so worried about these. Little goobers.
@colorblindcowboy You might find out your neighbours are stressed and would like to better care for kitty but just can’t.
Maybe I’ve watched too many Dodo cat and dog rescue videos but many of them have had serious but respectful conversations with pet owners about giving their pet a better home.Even if it’s not you maybe if your neighbours are willing to release their cat you could help find a new home.
Maybe a local shelter has some advice on how to do that without taking kitty until it’s safe to do so.Whatever you choose to do it’s a really caring thing you’re doing to help keep kitty healthy and cared for. I hope it works out one way or the other.
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Using the Pyroelectric Effect to Identify Broken MLCC Capacitors
Vintage computer hardware can fail in a variety of fascinating ways, with [Bits und Bolts] dealing with an interesting failure mode, in the form of degraded MLCC capacitors on Voodoo 2 graphics cards. These little marvels of miniaturized surface-mount technology enable the placement of ceramic capacitors with very little space required, but as they degrade over time or due to physical damage, they can cause big issues in a circuit.
In the case of the two Voodoo 2 GPUs that [Bits und Bolts] was trying to fix, the clue that something was wrong was graphical glitches, which seemed to be related to something dragging down the 5V rail. Using the standard ‘inject voltage and see what gets hot’ method, he discovered a couple of dead MLCCs and replaced them. But something was still dragging the rail down. Unfortunately, whatever it was wasn’t enough to heat up the part in question, and no sane person wants to desolder hundreds or even thousands of MLCCs on a PCB and see whether it makes a difference.
Ultimately, the pyroelectric effect was used to hunt down the culprit, saving countless hours of work. This is a property of certain naturally electrically polarized crystals, in which the material generates a voltage when heated or cooled. Materials like that used in MLCCs, for example.
With a hot air gun set to 200 °C and aimed at a specific MLCC, it was possible to measure changes not only in resistivity but also in voltage between the 5V rail and ground. The voltage spike was relatively minor for the smaller MLCCs, but the larger ones showed a significant voltage swing of around 2.5mV.
The culprit turned out to be a large MLCC, which showed only a weak pyroelectric effect and a resistivity that didn’t drop as quickly as that of similar MLCCs on the same board. After replacement, the faulty MLCC did indeed measure as faulty, and the card’s 5V rail now showed a healthy resistance level to ground.
In addition to knowing what kind of resistivity you should measure on a PCB’s voltage rails relative to ground, this method provides a fairly painless way to quickly find a dodgy MLCC. Just make sure not to try this method on electrolytic or tantalum. Heating those up won’t go well.
We often treat decoupling capacitors as more art than science, but of course, we shouldn’t. MLCCs can even exhibit the piezoelectric effect, too.
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@miles mi mandi una foto dell'insieme per vedere qual è? anche se alla fine montano tutti la stessa roba
